#!/usr/bin/env bash

declare -A params=$6       # Create an associative array
declare -A headers=${9}    # Create an associative array
declare -A rewrites=${10}  # Create an associative array
paramsTXT=""
if [ -n "$6" ]; then
   for element in "${!params[@]}"
   do
      paramsTXT="${paramsTXT}
      fastcgi_param ${element} ${params[$element]};"
   done
fi
headersTXT=""
if [ -n "${9}" ]; then
   for element in "${!headers[@]}"
   do
      headersTXT="${headersTXT}
      add_header ${element} ${headers[$element]};"
   done
fi
rewritesTXT=""
if [ -n "${10}" ]; then
   for element in "${!rewrites[@]}"
   do
      rewritesTXT="${rewritesTXT}
      location ~ ${element} { if (!-f \$request_filename) { return 301 ${rewrites[$element]}; } }"
   done
fi

if [ "$7" = "true" ]
then configureXhgui="
location /xhgui {
        try_files \$uri \$uri/ /xhgui/index.php?\$args;
}
"
else configureXhgui=""
fi

block="server {
    listen ${3:-80};
    listen ${4:-443} ssl http2;
    server_name $1;

    root $2;
    index index.php index.html index.htm;

    error_log /var/log/nginx/$1-error.log error;
    access_log off;

    gzip on;
    gzip_types
        # text/html is always compressed by HttpGzipModule
        text/css
        text/javascript
        text/xml
        text/plain
        text/x-component
        application/javascript
        application/x-javascript
        application/json
        application/xml
        application/rss+xml
        font/truetype
        font/opentype
        application/vnd.ms-fontobject
        image/svg+xml;

    $rewritesTXT

    location ~ /.well-known {
        allow all;
    }

    location ~ (^\.|/\.) {
        deny all;
    }

    location = /rewrite.php {
        rewrite ^(.*)$ /install.php;
    }

    location / {
        try_files \$uri \$uri/ @elgg;
        $headersTXT
    }

    $configureXhgui

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    location ~ \.php$ {
        try_files \$uri @elgg;
        fastcgi_index index.php;
        fastcgi_pass unix:/var/run/php/php$5-fpm.sock;
        fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
        include /etc/nginx/fastcgi_params;
    }

    location @elgg {
        fastcgi_pass unix:/var/run/php/php$5-fpm.sock;

        include /etc/nginx/fastcgi_params;
        fastcgi_param SCRIPT_FILENAME \$document_root/index.php;
        fastcgi_param SCRIPT_NAME     /index.php;
        fastcgi_param QUERY_STRING    __elgg_uri=\$uri&\$args;
    }

    ssl_certificate     /etc/nginx/ssl/$1.crt;
    ssl_certificate_key /etc/nginx/ssl/$1.key;
}
"

echo "$block" > "/etc/nginx/sites-available/$1"
ln -fs "/etc/nginx/sites-available/$1" "/etc/nginx/sites-enabled/$1"
